
*{margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.left{float: left}
.right{float: right}
.clear::after{content: '';
    display: block;
    clear: both;
}

@keyframes dx {
    from{transform: scale(1);}
    to{transform: scale(0);}
}

#dx{background-color: #414141;
    padding: 50px;
}
#dx>div{
    width: 50px;
    height: 50px;
    margin: 0 10px;
    border-radius: 50%;
    background-color: white;
    animation-name: dx;
    animation-duration: 0.6s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}
#dx>div:nth-child(2){animation-delay: 0.33s}
#dx>div:nth-child(3){animation-delay: 0.66s}
@keyframes ts {
    from{
        margin-left: 50px;
        transform: scale(0.5);}
    to{
        margin-left: 300px;
        transform: scale(2);}
}
@keyframes ts2 {
    from{
        margin-left: 550px;
        transform: scale(0.5);}
    to{
        margin-left: 0;
        transform: scale(2);}
}
.ts{background-color: #414141;
    padding: 50px;}
.ts>div:nth-child(1){width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    animation: ts 0.8s linear infinite alternate;
}
.ts>div:nth-child(2){width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    animation: ts2 0.8s linear infinite alternate ;
}
@keyframes tt {
    from{
        margin-top: 300px;
        }
    to{
        margin-top: 50px;
        }
}
.tt{background-color: #414141;
    height: 400px;
    }
.tt>div{width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    margin: 300px 20px 0 ;
    animation: tt 0.8s linear infinite alternate ;
}
.tt>div:nth-child(2){animation-delay: 0.2s}
.tt>div:nth-child(3){animation-delay: 0.4s}
.tt>div:nth-child(4){animation-delay: 0.6s}
.tt>div:nth-child(5){animation-delay: 0.8s}
.tt>div:nth-child(6){animation-delay: 1s}
.tt>div:nth-child(7){animation-delay: 1.2s}
.tt>div:nth-child(8){animation-delay: 1.4s}
.tt>div:nth-child(9){animation-delay: 1.6s}

















